[填空题]
For a {{U}}wrong{{/U}} word, underline the
wrong word and write the correct one in the blank provided at
the end of the line.
For a {{U}}missing{{/U}} word,
mark the position of the missing word with a "∧" sign and write the
word
you believe to be missing in the blank provided at
the end of the line.
For an {{U}}unnecessary{{/U}} word, cross out the
unnecessary word with a slash "—" and put the word in the
blank provided at the end of the line.
Where do pesticides fit into the picture of environmental disease
We
have seen that they now pollute soil, water and food, that they have
the
power to make our stream fishless and our gardens and woodlands silent
41 ______
and
birdless. Man, however much he may like to pretend the contrary, is
part of
nature. Can he escape a pollution is now so thoroughly
